See a doctor right away. Unless you have significant harm, it is not likely to be a viable case.

The legal system is not perfect. Medical malpractice cases are expensive to pursue and extensively fought by the insurance companies. ...

Medical malpractice means that a doctor violated the standard of care. A bad outcome is not enough. Another doctor would be needed to evaluate...

You can attempt to negotiate a payment plan.

No. Such an agreement would not be enforceable on would not be collectible.

If they lost the document, the court will likely consider your testimony of what it said as true.

You may have to sue them. Consider small claims court.

It may have been repossessed for an alleged breach of the agreement dealing with reason it was impounded. You do not indicate if the driver had...

The lender has to agree. Review the documents you signed and contact the lender.

Only if there was an agreement allowing repossession.